a.telegram-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 96px;
  margin: 10px 0;
  box-sizing: border-box;
  height: 20px;
  background-color: #54A9EB;
  border-radius: 5px;
  overflow: hidden;
  line-height: 0;
  font-size: 12px;
  line-height: 12px;
  color: #fff;
  padding: 4px 6px 4px 22px;
  text-decoration: none;
  user-select: none;
  cursor: pointer;
}
a.telegram-btn::before {
  content: '';
  width: 20px;
  height: 20px;
  position: absolute;
  top: 0;
  left: 0;
  background: url('https://telegram.org/img/WidgetButton_LogoSmall.png') no-repeat center center;
}